/*******************************************************************************
 * This file is part of blueprint4j www.blueprint4j.org.
 * 
 *     blueprint4j is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     blueprint4j is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with blueprint4j. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package blueprint4j.db;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;
import java.sql.*;

import blueprint4j.utils.*;

public class FieldCharacter extends Field implements BindCharacterInterface {

	
	/**
	 * public Field( String p_name, String p_description, boolean p_key_field
	 * Name: Name of field -> equivalent to table.field_name
	 * Description: Description of field
	 * key_field: Is this field a key field in the table (index field)
	 */
	public FieldCharacter( String p_name, int p_field_type ,String p_description,Entity entity ) {
		super( p_name,p_field_type,p_description,entity );
	}

	public Field newInstance(Entity entity) {
		return new FieldCharacter(getName(),getFieldType(),getDescription(),entity);
	}

	protected void setFieldValue( ResultSet result_set )
	throws DataException {
		try {
			if (result_set.getString( getName() ) == null) {
				setObject(null);
			} else {
				setObject( new Character(result_set.getString( getName() ).charAt(0)) );
			}
		} catch ( SQLException se ) {
			throw new DataException( "Can not retrieve '" + getName() + "'" );
		};
	}

	public Character get() {
		return (Character) getObject();
	}

	public void set(Character value){
		setObject(value);
	}

	public String toString(){
		if (getObject() == null) {
			return null;
		}
		return getObject().toString();
	}

	/**
	 * Return data in a suitable SQL format
	 */
	public String getSQLValue()
	throws DataException {
		if (getObject() == null) {
			return "null";
		}
		return "'" + get() + "'";
	}

	/**
	 * An overloaded equals method that only accepts the correct type
	 */
	public boolean equals(Character value) {
		return get().equals(value);
	}
	
	public Object getPreparedStatementObject() 
	throws DataException {
		if (getObject() == null) return null;
		return get().toString(); 
	}
	
	public void setSerializable(String value) throws BindException{
		if ("null".equalsIgnoreCase(""+value) || value.length() < 1) {
			setObject(null);
		} else {
			setObject(new Character(value.toCharArray()[0]));
		}
	}
}
